import axios from 'axios'
import qs from 'qs'
import { Notification, MessageBox, Message, Loading } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import router from '@/router'
import { errorMessage } from '@/api/menu'
import { tansParams, blobValidate } from "@/utils/ruoyi";
import { saveAs } from 'file-saver'

let downloadLoadingInstance;
//axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8';
axios.defaults.headers['Content-Type'] ="application/x-www-form-urlencoded; charset=UTF-8";
axios.defaults.withCredentials = true

// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: process.env.VUE_APP_BASE_API,
  // 超时
  timeout: 10000
})
// request拦截器
service.interceptors.request.use(
  config => {
	if (getToken()) {
	  config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
	}
	if (config.url.indexOf("/MVCAction")==-1){
//		config.url="/xcapi"+config.url;
		config.headers['Content-Type'] = 'application/json;charset=utf-8';
	}else{
		config.data=qs.stringify(config.data);
	}
    return config
  },
  error => {
    console.log(error)
    Promise.reject(error)
  }
)

// 响应拦截器
service.interceptors.response.use(res => {
    const code = res.data.code
    if (code === 401) {
      MessageBox.confirm(
        '登录状态已过期，您可以继续留在该页面，或者重新登录',
        '系统提示',
        {
          confirmButtonText: '重新登录',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).then(() => {
        store.dispatch('LogOut').then(() => {
          location.reload() // 为了重新实例化vue-router对象 避免bug
        })
      })
    } else if (code !== 200) {
	  if (res.data.msg){
	      Notification.error({title: res.data.msg})
	  }
	  
      return Promise.reject('error')
    } else {
      return res.data
    }
  },
  error => {
    console.log('err' + error)
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

// 通用下载方法
export function download(url, params, filename) {
  downloadLoadingInstance = Loading.service({ text: "正在下载数据，请稍候", spinner: "el-icon-loading", background: "rgba(0, 0, 0, 0.7)", })
  return service.post(url, params, {
    transformRequest: [(params) => { return tansParams(params) }],
    headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
    responseType: 'blob'
  }).then(async (res) => {
	if (!filename) {
		let contentDisposition = res.headers['content-disposition'];
		if (contentDisposition) {
			filename = window.decodeURI(res.headers['content-disposition'].split('=')[1], "UTF-8");
		}
	}
	const data=res.data;
    const isLogin = await blobValidate(data);
    if (isLogin) {
      const blob = new Blob([data])
      saveAs(blob, filename)
    } else {
      const resText = await data.text();
      const rspObj = JSON.parse(resText);
      const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
      Message.error(errMsg);
    }
    downloadLoadingInstance.close();
  }).catch((r) => {
    console.error(r)
    Message.error('下载文件出现错误，请联系管理员！')
    downloadLoadingInstance.close();
  })
}

export default service
